2 years ago

Which of these graphs represents a function?

Mathematics

1 answer:

Vlada [557]2 years ago

8 0

Answer:

${ \tt{graph \: y \:and \:graph\: z}}$

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The midpoint of AB is M(7. – 7). If the coordinates of A are (8,-6), what are the

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Answer: B = (6,-8)

Step-by-step explanation:

first the midpoint formula is $(\frac{x1+x2}{2},\frac{y1+y2}{2})$

then you take the x co-ordinate of A and substitute it into one of the x values in the first part of the formula:

$\frac{8+x}{2}=7$

then solve it like an equation:

$8+ x=14\\x=6$

then you take the y co-ordinate of A and substitute it into one of the y values in the second part of the midpoint formula:

$\frac{-6+y}{2} =-7$

then solve it like an equation:

$-6+y=-14\\y=-8$

∴ the answer is x=6, y= -8

which is expressed as a point, B(6,-8)

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What’s standard form again? I forgot

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